Der Sommer: "Die Mittagssonne brennt jetzt"

Recording by Joseph Haydn.

Recording identifiers

ISRC
FRZ140325140
CopyrightID (CopyrightChains transaction hash)
0x5103b5064b6fe2578a2c38660f09b5c55872551c0440c5079f74d7e4f64a9a5e
Copyright registration time
2026-07-30T06:55:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:705fc53b4308badffd1cd8d0bc94fcfc72baf6c44abca1e083b4a738ca005b5d

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.